Fibonacci Series Program in C++


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C++ Program to Generate Fibonacci Series

Fibonacci Series is in the form of 0, 1, 1, 2, 3, 5, 8, 13, 21,...... To find this series we add two previous terms/digits and get next term/number.

fibonacci

Fibonacci Series Program in C++

#include<iostream.h>
#include<conio.h>

void main()
{
int i,no, first=0, second=1, next;
clrscr();
first=0;
second=1;
cout<<"Enter nubmer of terms for Series: ";
cin>>no;
cout<<"Fibonacci series are: \n";
for(i=0; i<no; i++)
{
cout<<"\n"<<first;
next = first + second;
first = second;
second = next;
}
getch();
}

Output

Enter nubmer of terms for Series: 7
Fibonacci series are:
0
1
1
2
3
5
8

Fabonic Series upto 100

Example

#include<iostream.h>
#include<conio.h>

void main()
{ 
double i, first, second, next; 
clrscr(); 
first=0; 
second=1; 
for(i=1;i<=100;i++) 
{ 
 cout<<first; 
 next=first+second;
 first=second;
 second=next; 
} 
getch(); 
} 

Output

program output
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